// JavaScript Document
/*************************************************
Star Rating System
First Version: 21 November, 2006
Author: Ritesh Agrawal
Inspriation: Will Stuckey's star rating system (http://sandbox.wilstuckey.com/jquery-ratings/)
Demonstration: http://php.scripts.psu.edu/rja171/widgets/rating.php
Usage: $('#rating').rating('www.url.to.post.com', {maxvalue:5, curvalue:0});

arguments
url : required -- post changes to 
options
maxvalue: number of stars
curvalue: number of selected stars
	

************************************************/

jQuery.fn.rating = function (url, options) {

    if (url == null) return;

    var settings = {
        url: url, // post changes to 
        maxvalue: 5,   // max number of stars
        curvalue: 0    // number of selected stars
    };

    if (options) {
        jQuery.extend(settings, options);
    };
    jQuery.extend(settings, { cancel: (settings.maxvalue > 1) ? true : false });


    var container = jQuery(this);

    jQuery.extend(container, {
        averageRating: settings.curvalue,
        url: settings.url
    });

    for (var i = 0; i <= settings.maxvalue; i++) {
        var size = i
        if (i == 0) {
            if (settings.cancel == true) {
                var div = '<div class="cancel"><a href="#0" title="Loobu antud hindest">Loobu</a></div>'; // transl.
                container.append(div);
            }
        }
        else {
            //var div = '<div class="star"><a href="#'+i+'" title="Sinu hinne: '+i+'/'+size+'">'+i+'</a></div>';
            var div = '<div class="star"><a href="#' + i + '" title="Sinu hinne: ' + i + ' / ' + '5' + '">' + i + '</a></div>'; // transl. and mod.
            container.append(div);
        }


    }
    var stars = jQuery(container).children('.star');
    var cancel = jQuery(container).children('.cancel');

    stars
			.mouseover(function () {
			    event.drain();
			    event.fill(this);
			})
			.mouseout(function () {
			    event.drain();
			    event.reset();
			})
			.focus(function () {
			    event.drain();
			    event.fill(this)
			})
			.blur(function () {
			    event.drain();
			    event.reset();
			});

    stars.click(function () {
        if (settings.cancel == true) {
            settings.curvalue = stars.index(this) + 1;
            jQuery.post(container.url, {
                "rating": jQuery(this).children('a')[0].href.split('#')[1]
            });
            return false;
        }
        else if (settings.maxvalue == 1) {
            settings.curvalue = (settings.curvalue == 0) ? 1 : 0;
            $(this).toggleClass('on');
            jQuery.post(container.url, {
                "rating": jQuery(this).children('a')[0].href.split('#')[1]
            });
            return false;
        }
        return true;

    });

    // cancel button events
    if (cancel) {
        cancel
			.mouseover(function () {
			    event.drain();
			    jQuery(this).addClass('on')
			})
			.mouseout(function () {
			    event.reset();
			    jQuery(this).removeClass('on')
			})
			.focus(function () {
			    event.drain();
			    jQuery(this).addClass('on')
			})
			.blur(function () {
			    event.reset();
			    jQuery(this).removeClass('on')
			});

        // click events.
        cancel.click(function () {
            event.drain();
            settings.curvalue = 0;
            jQuery.post(container.url, {
                "rating": jQuery(this).children('a')[0].href.split('#')[1]
            });
            return false;
        });
    }

    var event = {
        fill: function (el) { // fill to the current mouse position.
            var index = stars.index(el) + 1;
            stars
				.children('a').css('width', '100%').end()
				.slice(0, index).addClass('hover').end();
        },
        drain: function () { // drain all the stars.
            stars
				.filter('.on').removeClass('on').end()
				.filter('.hover').removeClass('hover').end();
        },
        reset: function () { // Reset the stars to the default index.
            stars.slice(0, settings.curvalue).addClass('on').end();
        }
    }
    event.reset();

    return (this);
}